Portable dart board stand



FIG. 1 is a front elevational view of a portable dart board stand showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof, the left side elevational view being a mirror image thereof; and,

FIG. 6 is a top right side perspective view of FIG. 1 shown on a reduced scale, with environmental structure shown in broken lines for purposes of illustration only and forming no part of the claimed design. 

The ornamental design for a portable dart board stand, as shown and described. 